Question

A few organisms are known to grow and multiply at temperatures of ${100}^0$C - ${105}^0$C. They belong to

• A. Thermophilic sub aerial fungi
• B. Marine archaebaderia
• C. Thermophilic sulphur bacteria
• D. Hot spring blue-green algae

Answer 1

The correct option is C Thermophilic sulphur bacteria

Thermophilic sulphur bacteria use Sulphur for metabolism. The rotten egg odour of the hot springs is because of Sulphur compounds that naturally occur in the hot springs. Sulphur bacteria thrive and multiply in the hot springs at temperatures 100-105${}^0$C

So, the correct answer is 'Thermophilic sulphur bacteria'